Static structures (e.g. – buildings) – Processes – Anchor – bond – etc.
Patent
1994-04-25
1996-09-10
Friedman, Carl D.
Static structures (e.g., buildings)
Processes
Anchor, bond, etc.
14 73, 14 745, 522237, E04C 326, E04C 3294
Patent
active
055534392
ABSTRACT:
A composite, prestressed structural member and methods of forming such a member. The apparatus includes a plurality of longitudinally extending girders and a deck unit attached thereto. The deck unit may comprise a plurality of adjacent composite units disposed on the girders, with each composite unit having a plurality of beams with a molded deck portion formed thereabove. In one method, the structure is formed by positioning the girders on a construction support adjacent to a center portion of the girders such that the free ends of the girders cantilever and deflect downwardly. The beams of the composite units are attached to the girders in this construction position. In a second method, the structure is formed by positioning the girders in their normal operating position such that they are supported on opposite ends, and then providing a support for a center portion of the girders such that at least a portion of the lower edges of the girders are placed in compression. The deck unit may alternatively comprise one or more molded deck sections connected to the girders by shear connectors. In a third method of construction, these molded deck sections are formed while the girders are in their normal operating position supported on opposite ends while also supporting a center portion of the girders. The moldable material is allowed to harden while so supported.
REFERENCES:
patent: 3564567 (1971-02-01), Mladyenovitch
patent: 4493177 (1985-01-01), Grossman
patent: 5144710 (1992-09-01), Grossman
patent: 5301483 (1994-04-01), Groossman
patent: 5305575 (1994-04-01), Grossman
Friedman Carl D.
Horton-Richardson Yvonne
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